WordPress Menu功能wp_nav_menu()的重要参数在文件wp-includes/nav-menu-template.php: ``` $defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'container_id' => '', 'menu_class' => 'menu', 'menu_id' => '', 'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>', 'item_spacing' => 'preserve', 'depth' => 0, 'walker' => '', 'theme_location' => '', ); ``` 说明： ``` <?php wp_nav_menu( array( 'menu' => '', //期望显示的菜单 'container' => 'div', //容器标签 'container_class' => '',//ul父节点class值 'container_id' => '', //ul父节点id值 'menu_class' => 'menu', //ul节点class值 'menu_id' => '', //ul节点id值 'echo' => true,//是否输出菜单，默认为真 'fallback_cb' => 'wp_page_menu', //菜单不存在时，返回默认菜单，设为false则不返回 'before' => '', //链接前文本 'after' => '', //链接后文本 'link_before' => '', //链接文本前 'link_after' => '',//链接文本后 'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>', //如何包装列表 'depth' => 0, //菜单深度，默认0 'walker' => '' //自定义walker 'theme_location' => '',//导航别名 ) ); ?> ``` 123